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  <head>
    <title>Type utils</title>
    <script type="text/javascript" src="./browser/type-utils.js" charset="utf-8"></script>
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  <body>
    <a href="https://github.com/DavidWells/analytics/tree/master/packages/analytics-util-types" class="github-corner" aria-label="View source on GitHub"><svg viewBox="0 0 250 250" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin:130px 106px" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a>

    <div>
      <h2>Type utils demo</h2>
      <p>Open up console to see logs.</p>
    </div>
  
    <script type="text/javascript">
      console.log('Type utils API "utilTypes"')
      console.log(utilTypes)
      const { isString, isBoolean, isArray, isObject, isFunction, isUndefined, isNull } = utilTypes

      const xyz = 'hi'
      console.log('isString', isString(xyz))
      // true

      const myBool = true
      console.log('isBoolean', isBoolean(myBool))
      // true

      const myArr = ['x', 'y']
      console.log('isArray', isArray(myArr))
      // true
  
      const myObj = { cool: 'hello' }
      console.log('isObject', isObject(myObj))
      // true

      function myFunc() {}
      console.log('isFunction', isFunction(myFunc))
      // true
      
      var nullThing = null
      console.log('isNull', isNull(nullThing))
      // true

      let value
      console.log('isUndefined', isUndefined(value))
      // true

      /* Errors */
      console.log('isError true', utilTypes.isError(new Error('funky')))
      console.log('isError TypeError true', utilTypes.isError(new TypeError('funky')))

      console.log('isTypeError', utilTypes.isTypeError(new TypeError('funky')))
      console.log('isTypeError Error', utilTypes.isTypeError(new Error('funky')))

      console.log('isSyntaxError', utilTypes.isSyntaxError(new SyntaxError('funky')))
      console.log('isSyntaxError Error', utilTypes.isSyntaxError(new Error('funky')))
    ;</script>
  </body>
</html>
